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The "S" designation originally stood for six hundred horsepower and the "N" designation for nine hundred horsepower, although they were used for the more general designation of smaller and larger engine models after the more powerful 567 model engines replaced the Winton engines. The "C" designation stood for cast frame locomotives and the "W ...
Model Former operators Retire date Disposition and location Notes References 529 Boston and Maine #6000 Flying Yankee: February 1935 BM-MEC 6000 Boston and Maine Railroad (B&M) 1957 Awaiting restoration at the Flying Yankee Association: Built by the Budd Company, but designed by EMD [1] 532 Baltimore and Ohio #50 August 1935 1,800 hp B-B
The EMD F-units followed the basic B-B truck design of the TA model, but with a V-16 EMD 567 prime mover generating 1350 hp as introduced in 1939. E-units standardized the two engine configuration for passenger locomotives to maximize power and, while the less-reliable Winton Diesel prime movers were in use, faced a less severe loss of power ...
EMD introduced their new 710 engine in 1984 with the 60 Series locomotives (EMD SD60 and EMD GP60), the EMD 645 engine continued to be offered in certain models (such as the 50 Series) until 1988. The 710 is produced as an eight-, twelve-, sixteen-, and twenty-cylinder engine for locomotive, marine and stationary applications.
EMD SD50; EMD SD60; EMD SD70 series; EMD SD75I; EMD SD75M/SD75I; EMD SD80MAC; EMD SD89MAC; EMD SD90MAC; Soo Line 700; Soo Line 2500; South African Class 33-200; South African Class 34-200; South African Class 34-600; South African Class 34-800; South African Class 35-200; South African Class 35-600; South African Class 36-200; South African ...
The EMD DDA40X is a 6,600 hp (4,943 kW) D-D locomotive, built by EMD from 1969 to 1971 exclusively for the Union Pacific Railroad. [1] It is the most powerful diesel–electric locomotive model ever built on a single frame, having two 16-645E3A diesel prime movers . [ 2 ]
The Southern Pacific Transportation Company had rebuilt a total of 167 EMD SD45 units into EMD SD45R diesel locomotives at their own Sacramento Shops under the Southern Pacific's M-99 rebuild program and renumbered their units as 7400 through 7566. Most of them in their SD45 form were classified by the Southern Pacific as EF636-1, EF636-2 ...
An EMD E7, one of the American "bulldog noses" "Bulldog nose" is the nickname given, due to their appearance, to several cab-unit diesel-electric locomotives manufactured by GM-EMD and its licensees from 1939 to 1970. The term originated with EMD F-units, as well as later E-unit models such as the E7, E8, and E9.